* Added: an example to add a thumbnail to the taxonomy term listing table in the demo plugin.
* Added: the `cell_{taxonomy slug}` and the `cell_{extended class name}` filters for the taxonomy field class.
* Added: the `sortable_columns_{taxonomy slug}` and the `sortable_columns_{extended class name}` filters for the taxonomy field class.
Updated the change log.
Fixed some typos.
Fixed a typo.
Updated the change log.